I'm not seeing what you're seeing. The inactivity reboot wouldn't be a problem if they aren't waiting for a warrant. The fact that this article even exists supports the fact that they are waiting for warrants.
Also, as someone who was the victim of a pretty awful violent crime I'm here to tell you that police are not the enemy. There are some really bad people out there, trust me.. if you ever met one you would probably be okay with cops violating their privacy.
The most likely person to assault me are the cops so I still think cops are the enemy.
Police are not supposed to be the enemy. All too often these days they become the enemy, though.
Dahmer's victim would like to have a word with you.
There's no world in which cops can or will only violate the privacy of obvious criminals.
It becomes "well we need to scan websites to make sure there's no X, Y, or Z, and prosecute the site operators who don't cooperate" real fast.